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A video of a cleaner clearing snow off a 30 millimetre wide cliffside path on Mount Hua has drawn attention to just how dangerous this particular job can be.

In the clip, two workers are seen casually working their way along the wooden ledge at a height of around 700 metres in Shaanxi Province.

The mountain, know as Huashan in Chinese, is considered to be one of China's five sacred mountains. Located 120 kilometres from Xi'an, which is famous for its Terracotta Warriors, the behemoth peaks at 2154 metres.

The path in question is constantly referred to as one of the world’s deadliest trails. Each year, a dozen people are killed falling from the cliff, according to China News Service.

“It takes us about an hour to clean the snow,” said one cleaner. “If the snow becomes too heavy, we have to use the big shovel. If the path is still slippery, we will use salt to melt snow,” he concluded.

According to Ji Junfeng, manager of the Mount Hua scenic area, the application process is rigorous and comes with a number of specific requirements. Firstly, all those over the age of 30 are automatically discounted. Furthermore, high blood pressure, heart disease and acrophobia will prevent an applicant from doing this kind of work.